Ai decided to go drinking with her new coworker, Nakahira, after their shift ended. Her husband was working late, they were heading in the same direction, and it was Nakahira's first payday... Ai had these reasons to go drinking. As the alcohol flowed, so did the conversation, and when she looked at the clock, it was [0:02], and the last train had left. It was pouring outside, and she couldn't catch a taxi. A message from her husband read, "I can't come home today." Ai could no longer control the beast within her. For the few hours until morning, Ai indulged in an intense late-night affair...
